Related Experiment Video

Updated: Jun 16, 2026

Operating Transverse Aortic Constriction with Absorbable Suture to Obtain Transient Myocardial Hypertrophy
07:02

Operating Transverse Aortic Constriction with Absorbable Suture to Obtain Transient Myocardial Hypertrophy

Published on: September 9, 2020

[Clinical experience of surgical treatment on hypertrophic obstructive cardiomyopathy]

Shui-Yun Wang1, Bin Cui, Han-Song Sun

  • 1CAMS & PUMC, Fu wai Hospital, Beijing 100037, China.

Zhonghua Yi Xue Za Zhi
|February 9, 2010
PubMed

Insights

Surgical treatment for hypertrophic obstructive cardiomyopathy (HOCM) is effective, significantly reducing left ventricular outflow tract obstruction and improving patient quality of life. Most patients experience satisfactory outcomes with improved functional capacity post-surgery.

Area of Science:

  • Cardiovascular Surgery
  • Cardiology
  • Medical Devices

Context:

  • Hypertrophic obstructive cardiomyopathy (HOCM) presents a significant clinical challenge, often requiring intervention to alleviate left ventricular outflow tract (LVOT) obstruction.
  • Surgical management aims to reduce the septal hypertrophy causing the obstruction and improve diastolic and systolic function.

Purpose:

  • To evaluate the surgical outcomes and efficacy of interventions for patients diagnosed with hypertrophic obstructive cardiomyopathy (HOCM).
  • To assess the impact of surgical treatment on left ventricular outflow tract (LVOT) gradients, left atrial size, and left ventricular ejection fraction (LVEF).

Summary:

  • A cohort of 54 HOCM patients underwent surgical treatment between 1996 and 2007, with various concomitant cardiac procedures performed.
  • Postoperative echocardiography demonstrated significant reductions in LVOT pressure gradients, left atrial size, and septal thickness, alongside an improved LVEF (P < 0.05).
  • The perioperative mortality rate was 7.4%, with complications including low cardiac output and arrhythmias; however, surviving patients reported improved functional status (NYHA class I/II).

Impact:

  • Surgical intervention for HOCM provides satisfactory outcomes, effectively relieving LVOT obstruction and enhancing the quality of life for the majority of patients.
  • This study highlights the long-term benefits of surgical management in improving cardiac function and patient well-being in HOCM.
  • The findings support surgical treatment as a viable option for managing symptomatic HOCM, leading to significant clinical improvement.
Abstract

More Related Videos

O-Ring Aortic Banding Versus Traditional Transverse Aortic Constriction for Modeling Pressure Overload-Induced Cardiac Hypertrophy09:24

O-Ring Aortic Banding Versus Traditional Transverse Aortic Constriction for Modeling Pressure Overload-Induced Cardiac Hypertrophy

Published on: October 6, 2022

Related Concept Videos

Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
Cardiomyopathy VII: Pre and Post Operative Nursing Management01:28

Cardiomyopathy VII: Pre and Post Operative Nursing Management

Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...